package com.webserver.core;

import com.webserver.controller.ArticleController;
import com.webserver.controller.ToolsController;
import com.webserver.controller.UserController;

import com.webserver.http.HttpServletRequest;
import com.webserver.http.HttpServletResponse;

import java.io.File;

/**
 * 处理请求环节
 */
public class DispatcherServlet {
    public void service(HttpServletRequest request, HttpServletResponse response){
        String path = request.getRequestURI();
        System.out.println("请求路径:"+path);
        //判断该请求路径是否为请求一个业务
        if("/myweb/reg".equals(path)){//该请求为注册页面上form表单提交的请求
            UserController controller = new UserController();
            controller.reg(request,response);
        }else if("/myweb/login".equals(path)){
            UserController controller = new UserController();
            controller.login(request,response);
        }else if("/myweb/writeArticle".equals(path)){
            ArticleController controller = new ArticleController();
            controller.writeArticle(request,response);
        }else if("/myweb/showAllUser".equals(path)) {
            UserController controller = new UserController();
            controller.showAllUser(request, response);
        }else if ("/myweb/showAllArticle".equals(path)) {
            ArticleController controller = new ArticleController();
            controller.showAllArticle(request,response);
        }else if ("/myweb/showArticle".equals(path)) {
            ArticleController controller = new ArticleController();
            controller.showArticle(request, response);
        }else if ("/myweb/createQR".equals(path)) {
            ToolsController controller = new ToolsController();
            controller.createQR(request,response);
        }else {

            File file = new File("./webapps" + path);
            if (file.isFile()) {//用户请求的是一个文件
                response.setEntity(file);//设置正文
            } else {//要么不存在，要么不是一个文件
                response.setStatusCode(404);
                response.setStatusReason("NotFound");
                file = new File("./webapps/root/404.html");
                response.setEntity(file);
            }
        }

        response.putHeader("Server","WebServer");
    }
}
